I don't know about 220. The idea should be similar but who knows. You may brick the device also. I have seen only once 220 and is similar to 60CSX. Converting US 320 to EU is easier. As 320 is like 62s. On 60csx you can't use external SD commands. On 62s and 320 you can. Just like on nuvis. Most probably you need gda for this and again an US 220 from where to take the data. Or better buy 320.

@ dodde

You don't need gda. Find someone lets say Loly if he is willing or kunix to help you copy 34 and 41 from your friends 320 and copy them on yours. Both regions should be copied at the same time. Also is good to have copy of yours 34 and 41 just in case. As I wrote 2 minutes + an SD card and keep in mind that you would have the ID of your friends Astro. But who really cares. I am sorry I can't help you as my PC burned and I am on a friends.

The metod of replacing both rgns might not be the best way. I have only experimented a couple of hours and I don't understand much from this hackery thing like you do. Maybe you can find a clever way lets say by comparing the rgns from the two devices and figuring out why the US do not pair with the DCs. You know what is the issue - US Astro do not want to pair with the EU DCs and thus receive the transmitted frequency from it and visa verse. Briefly this is the case. I have solve it by just replacing the two rgns. But by this way the id from the copied is staying.

Just to write you that the ID can be changed, by you know how, but by this way the ability of Astro to pair with the DCs is lost. There is something additional in 34...

BTW the much more interesting thing for hacking is the DC. Two things can be hacked the power of the transmitted frequency and the rate of the transm frq. By default it is on every 5 seconds. It would be cool if it is possible to be increased to 1 second also the power. Of course increasing the power is illegal but it would increase the range of usage.

ddabcd277
We've just solved (I really hope so) dodde's problems in private (both rgns, no patching).
I think it's better to make a firmware patch, as I did with Astro 220. But Astro 320 firmware is considerably different, so I haven't found how to patch it a few months ago.
Currently I don't have enough time to continue this research.

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